This unit group includes workers who cast and finish concrete products, operate machines to extrude, mould, press and bake clay products, and operate machines to form, cut and finish stone products.
此单元组包括投掷并完成混凝土制品，操作机器挤压，制模，按压和烘烤粘土制品，操作机器构型和切割并完成石材产品的工人。
The big sheets of clay then had to be carefully shaped inside of the plaster mould and cut even around the edges.
大木板上的粘土需要很小心地黏在石膏模具里面，然后切掉在边缘的多余部分。
To answer the requirement of changeable market during mould design making process the virtual prototyping technology can be cut down the cost of mould making test mould and shorten making period.
为了能够快速响应多变的市场需求，在模具设计与制造过程中运用虚拟原型技术可以有效地降低模具制造和试模的成本，缩短制造周期。
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